Algebra and Functions
What operation does the term "increased by" mean?
Addition
What is the formula for volume of a sphere?
4/3π r3
If the absolute value of x is 5, what could x be?
5 or -5
What is the mode? 2, 3, 7, 4, 8, 7, 3, 9, 7
7
Solve the inequality for y:
2y - 4x < 6
Factor:
x2 - 2x +1
(x-1)2. or (x-1)(x-1)
What is cot x in terms of the coordinates in the unit circle?
y/x
What is the greatest common factor of 10 and 15?
5
What is the median? 7, 12, 13, 6, 9, 2, 4, 3, 9
7
Solve:
3x+ 2(x-1) = 3x + 2x -3
No solution
Simplify: -3 + 2(5-7)2
5
What is sin 30?
1/2
How could you rewrite (45)3?
415
What is the probability of rolling an even number on a die?
3/6 = 1/2
Two graphs are parallel if they have ______________ slopes.
equal
What expression goes with "three more than the product of x and 7"?
7x + 3
If the integer lengths of the three sides of a triangle are 6, and 8 and the hypothenuse has a length of x, what is the length of x?
10
What is 15% of 540?
81
How many different ways can you choose 3 books from the 8 books on a shelf?
24
Simplify: (4x3 + 2x2 -8x)/2x
2x2 + x - 4
Simplify: (6a4 bc2)(7a4 b3 c)
42 a8 b4 c3
What is
sin 45 - cos 45 + sin 90
1
If a pair of jeans is normally $80 and they are on sale for 25% off, how much will they be?
$60
What is the probability of randomly pulling a J, Q or K from a deck of cards?
12/52 = 3/13
Does the point (0,4) lie on the line 4x + 5y = 20?
yes